We've compiled a new study to calculate the maximum potential cost that clubs will pay out from the biggest deals of 2013

December 17 will mark the release of the Goal Transfer List, a calculation of the total outlay on each of the 10 biggest transfers from 2013.

Forget face value, we delve deep below the skin of the deals to uncover the signing-on fees, what the agents have earned and the foreseeable costs the clubs will pay out over the course of each player's contract.

If you thought €100 million for Gareth Bale was excessive, prepare yourselves. These numbers are mind-blowing!

Be sure to check out the video trailer above, and stayed tuned to Goal, where all will be revealed on December 17.